A randomized 25 question test from a pool of 761 questions, good luck!
Message frames are the result of organizing network messages so that the transmission of between network points is one block. Which of the answers below shows a simplified message frame components in the correct order?
Which of the antenna below could best be described as the most direction sensitive?
The quality of a OUT parameter status field has several different classifications. Which of the classifications below can be described as the value may be useful, but of diminished quality?
A DCS collects a lot of data during the course of operating. Which of the terms below would best describe the database that contains the value of all the parameters and tags, as well as all the programming and the DCS configuration?
To communicate with a process control system, a network interface adapter is required. Which of the answers below would satisfy the minimum number of network adapters required?
There are many versions of Modbus, one of those is Modbus ASCII. Which of the answers below correctly orders the components of the Modbus ASCII frame?
A modern DCS needs to be able to respond to growing demands. Which of the terms below is best defined as the measure of a system's ability to increase or decrease in performance and cost in response to changes in application and system processing demands.
Which of the messaging types below is best described as independent communication with the scanner module initiated by the properly configured field device?
Each network layer for a DCS has it's own specialized equipment or software. Which of the layers below would make use of firewall in its connection to the control network?
The standard recommended by ISA-18.2 is for 3-4 priority level alarms to be used. Which of the alarm priority levels below should have the longest response times?
Which answer below is best described as the RS-485 standard for voltage range to receive a "Mark"?
There are numerous threats to the security of a DCS. Which of the security measures below would use a password on the BIOS to prevent unauthorized changes?
The heart of a DCS is considered the PLC and it's five main programming languages. Which of the programming languages would be described as mimicking the components of the hardware of an analog control in self-contained blocks of code?
In a typical GUI, values take one of four generic indicators. Which of the indicators below would best represent the image below?
HMI networks are needed to expand or contract as required over their lifetime of use. Which of the networking types below will solve scalability, but is still limited because of multiple DA servers and duplication of information requiring an overuse of bandwidth?
Alarm management is based upon the process conditions model. Which of the conditions in that model could be described as the conditions resulting in a cataclysmic loss or event?
Over the lifetime of a HMI, there will be changes to it's software form the supplier. Which of the terms below would best describe the red number in the picture below?
Which of the answers below best represents the recommended standard that uses an end device circuit to provide the character framing?
Modbus protocol can implement data encapsulation over IP based networks. Which of the statements below is an advantage of using encapsulation?
There are several data access methods used to transmit data. Which of the answers below can be described as a single controlling device commences communication with the responding devices attached to the same network?
Which answer below is best described as the RS-232 standard for voltage range to transmit a "Space"?
Which of the lengths below relates best to a spur cable with 3 field devices connected?
Digital valve positioners are best defined as which of the following answers?
There are numerous styles of fiber optic cables. Which of the answers below best represents the number of criteria that is used to match the proper cable to the desired application?
A typical DCS has at least four layers in it's architecture. Valves, switches and transmitters are all under the direct control of which of the layers below?